Free utility for displaying lots of useful Windows, Network and Hardware info!

System Information Viewer (SIV)

System Information Viewer (SIV) 5.66

  -  18.82 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of System Information Viewer (SIV) 5.66.


For those interested in downloading the most recent release of System Information Viewer (SIV) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • System Information Viewer (SIV) 5.66 Screenshots

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    System Information Viewer (SIV) 5.66 Screenshot 1
  • System Information Viewer (SIV) 5.66 Screenshot 2
  • System Information Viewer (SIV) 5.66 Screenshot 3
  • System Information Viewer (SIV) 5.66 Screenshot 4

What's new in this version:

- Added Windows 11 23H2 Build 25197 support. Enabled operation of [ACPI Eval], etc.
- Updated to report two fractional digits for temperatures and integrated GPU Core + Hotspot + Memory reporting
- Changed the default for SIV save files to be UTF-8 rather than ASCII and removed support for Unicode save files
- Updated Intel Ice Lake-X + Sapphire Rapids-X and added initial 700 series chipset support
- Added Aqua Computer High Flow Next + LeakShield and enhanced D5 Next + Farbwerk 360 + Quadro + Octo support
- Added ARM CPU cache topology reporting and hybrid CPU support
- Added ASUS Strix Z690-A Gaming motherboard support